In the manufacture fo glass , the addition fo ` MnO_2` gives ,

Options

A. Yellow color
B. Red colour
C. Violet colout
D. Pink colour

Answer

To solve the question regarding the addition of MnO2 in the manufacture of glass, we can follow these steps:

### Step 1: Understand the Role of MnO2
MnO2, or manganese dioxide, is a compound that is often added to glass during its manufacturing process. Its primary role is to impart color to the glass.

**Hint:** Think about why colors are added to glass and what compounds are typically used for this purpose.

### Step 2: Identify the Color Imparted
When MnO2 is added to glass, it changes the color of the glass. Specifically, it is known to give the glass a pink hue.

**Hint:** Consider what colors are commonly associated with transition metal oxides and how they affect the appearance of materials.

### Step 3: Conclude the Effect
Thus, the addition of MnO2 in the manufacture of glass results in the glass becoming pink in color.

**Hint:** Reflect on the importance of color in glass products and how different additives can influence aesthetic qualities.

### Final Answer
In the manufacture of glass, the addition of MnO2 gives pink color to the glass.